* {
    margin: 0;
    padding: 0;
    box-sizing: border-box;
}

body {
    font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
    background: #1a1a1a;
    color: #e0e0e0;
    line-height: 1.6;
    overflow-x: hidden;
    position: relative;
}

#particles-js {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    z-index: 1;
    pointer-events: none;
}

.bg-gradient-orb {
    position: fixed;
    border-radius: 50%;
    filter: blur(120px);
    opacity: 0.3;
    pointer-events: none;
    z-index: 0;
}

.orb-1 {
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, #3b82f6, transparent);
    top: -200px;
    left: -200px;
    animation: float 20s ease-in-out infinite;
}

.orb-2 {
    width: 500px;
    height: 500px;
    background: radial-gradient(circle, #60a5fa, transparent);
    bottom: -150px;
    right: -150px;
    animation: float 25s ease-in-out infinite reverse;
}

.orb-3 {
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, #2563eb, transparent);
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    animation: float 30s ease-in-out infinite;
}

@keyframes float {
    0%, 100% { transform: translate(0, 0) scale(1); }
    33% { transform: translate(100px, -100px) scale(1.1); }
    66% { transform: translate(-100px, 100px) scale(0.9); }
}

.content-wrapper {
    position: relative;
    z-index: 2;
}

.hero {
    min-height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
    position: relative;
    overflow: hidden;
    padding: 40px 20px;
}

.hero::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: 
        linear-gradient(45deg, transparent 30%, rgba(59, 130, 246, 0.05) 50%, transparent 70%),
        linear-gradient(-45deg, transparent 30%, rgba(96, 165, 250, 0.05) 50%, transparent 70%);
    background-size: 200% 200%;
    animation: gradientShift 15s ease infinite;
    pointer-events: none;
}

@keyframes gradientShift {
    0%, 100% { background-position: 0% 50%; }
    50% { background-position: 100% 50%; }
}

.hero-content {
    text-align: center;
    max-width: 1200px;
    position: relative;
    z-index: 3;
}

.spark-logo-container {
    position: relative;
    display: inline-block;
    margin-bottom: 40px;
}

.spark-logo {
    max-width: 300px;
    width: 100%;
    height: auto;
    filter: drop-shadow(0 0 40px rgba(59, 130, 246, 0.5));
    animation: logoGlow 3s ease-in-out infinite;
}

@keyframes logoGlow {
    0%, 100% { 
        filter: drop-shadow(0 0 40px rgba(59, 130, 246, 0.5))
                drop-shadow(0 0 80px rgba(59, 130, 246, 0.3)); 
    }
    50% { 
        filter: drop-shadow(0 0 60px rgba(59, 130, 246, 0.8))
                drop-shadow(0 0 120px rgba(59, 130, 246, 0.5)); 
    }
}

.hero h1 {
    font-size: clamp(2rem, 5vw, 3.5rem);
    font-weight: 800;
    margin-bottom: 25px;
    background: linear-gradient(to right, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.hero-subtitle {
    font-size: clamp(1.1rem, 2.5vw, 1.5rem);
    color: #9ca3af;
    margin-bottom: 50px;
    line-height: 1.8;
    max-width: 800px;
    margin-left: auto;
    margin-right: auto;
}

.cta-button {
    display: inline-flex;
    align-items: center;
    gap: 15px;
    padding: 20px 50px;
    background: linear-gradient(135deg, #3b82f6 0%, #2563eb 100%);
    color: white;
    text-decoration: none;
    border-radius: 60px;
    font-weight: 700;
    font-size: 1.2rem;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    box-shadow: 
        0 20px 60px rgba(59, 130, 246, 0.4),
        0 0 80px rgba(59, 130, 246, 0.2),
        inset 0 0 0 1px rgba(255, 255, 255, 0.1);
    position: relative;
    overflow: hidden;
}

.cta-button::before {
    content: '';
    position: absolute;
    top: 0;
    left: -100%;
    width: 100%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.3), transparent);
    transition: left 0.5s;
}

.cta-button:hover::before {
    left: 100%;
}

.cta-button:hover {
    transform: translateY(-5px) scale(1.05);
    box-shadow: 
        0 30px 80px rgba(59, 130, 246, 0.6),
        0 0 120px rgba(59, 130, 246, 0.4);
}

.scroll-indicator {
    position: absolute;
    bottom: 40px;
    left: 50%;
    transform: translateX(-50%);
    animation: bounce 2s infinite;
    cursor: pointer;
}

.scroll-indicator i {
    font-size: 2rem;
    color: #3b82f6;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.6));
}

@keyframes bounce {
    0%, 20%, 50%, 80%, 100% { transform: translateX(-50%) translateY(0); }
    40% { transform: translateX(-50%) translateY(-20px); }
    60% { transform: translateX(-50%) translateY(-10px); }
}


.features-section {
    padding: 120px 0px 0 0;
    position: relative;
}

.features-grid {
    display: grid;
    grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
    gap: 20px 40px;
    width: 1400px;
    max-width: calc(100% - 40px);
    margin: 0 auto 0px;
}

.feature-card {
    background: rgba(38, 38, 38, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.2);
    border-radius: 30px;
    padding: 50px 40px;
    position: relative;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
}

.feature-card::before {
    content: '';
    position: absolute;
    top: -50%;
    left: -50%;
    width: 200%;
    height: 200%;
    background: radial-gradient(circle, rgba(59, 130, 246, 0.1) 0%, transparent 70%);
    opacity: 0;
    transition: opacity 0.5s;
}

.feature-card:hover::before {
    opacity: 1;
}

.feature-card:hover {
    transform: translateY(-20px);
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 
        0 30px 80px rgba(59, 130, 246, 0.3),
        inset 0 0 60px rgba(59, 130, 246, 0.1);
}

.feature-icon-wrapper {
    width: 100px;
    height: 100px;
    margin: 0 auto 30px;
    position: relative;
    display: flex;
    align-items: center;
    justify-content: center;
}

.feature-icon-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(96, 165, 250, 0.2));
    border-radius: 30px;
    transform: rotate(45deg);
    transition: transform 0.5s;
}

.feature-card:hover .feature-icon-bg {
    transform: rotate(225deg);
}

.feature-icon {
    font-size: 3.5rem;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    position: relative;
    z-index: 1;
    filter: drop-shadow(0 0 20px rgba(59, 130, 246, 0.5));
}

.feature-card h3 {
    font-size: 1.8rem;
    margin-bottom: 15px;
    background: linear-gradient(to right, #ffffff, #e0e0e0);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    text-align: center;
}

.feature-card p {
    color: #9ca3af;
    text-align: center;
    font-size: 1.05rem;
    line-height: 1.8;
}


.faq-section {
    padding: 60px 20px 120px;
    position: relative;
}

.section-header {
    text-align: center;
    margin-bottom: 80px;
}

.section-title {
    font-size: clamp(2.5rem, 6vw, 4.5rem);
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6 0%, #60a5fa 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    margin-bottom: 20px;
    filter: drop-shadow(0 0 30px rgba(59, 130, 246, 0.3));
}

.section-subtitle {
    font-size: 1.3rem;
    color: #9ca3af;
}

.faq-container {
    max-width: 1000px;
    margin: 0 auto;
}

.faq-item {
    background: rgba(38, 38, 38, 0.6);
    backdrop-filter: blur(20px);
    border: 1px solid rgba(59, 130, 246, 0.15);
    border-radius: 25px;
    margin-bottom: 25px;
    overflow: hidden;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
    position: relative;
}

.faq-item::before {
    content: '';
    position: absolute;
    left: 0;
    top: 0;
    width: 5px;
    height: 100%;
    background: linear-gradient(to bottom, #3b82f6, #60a5fa);
    transform: scaleY(0);
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active::before {
    transform: scaleY(1);
}

.faq-item:hover {
    border-color: rgba(59, 130, 246, 0.4);
    transform: translateX(10px);
    box-shadow: 0 20px 60px rgba(59, 130, 246, 0.2);
}

.faq-item.active {
    border-color: rgba(59, 130, 246, 0.6);
    box-shadow: 
        0 20px 80px rgba(59, 130, 246, 0.3),
        inset 0 0 40px rgba(59, 130, 246, 0.05);
}

.faq-question {
    padding: 35px 40px;
    cursor: pointer;
    display: flex;
    align-items: center;
    gap: 30px;
    position: relative;
}

.faq-number-wrapper {
    position: relative;
    width: 70px;
    height: 70px;
    flex-shrink: 0;
}

.faq-number-bg {
    position: absolute;
    width: 100%;
    height: 100%;
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.2), rgba(96, 165, 250, 0.2));
    border-radius: 20px;
    transform: rotate(0deg);
    transition: transform 0.6s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item:hover .faq-number-bg {
    transform: rotate(180deg);
}

.faq-item.active .faq-number-bg {
    transform: rotate(360deg);
    background: linear-gradient(135deg, rgba(59, 130, 246, 0.4), rgba(96, 165, 250, 0.4));
}

.faq-number {
    position: relative;
    font-size: 1.8rem;
    font-weight: 900;
    background: linear-gradient(135deg, #3b82f6, #60a5fa);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    display: flex;
    align-items: center;
    justify-content: center;
    width: 100%;
    height: 100%;
    filter: drop-shadow(0 0 10px rgba(59, 130, 246, 0.5));
    user-select: none;
}

.faq-question-text {
    flex: 1;
    font-size: 1.35rem;
    font-weight: 700;
    color: #f3f4f6;
    line-height: 1.4;
}

.faq-icon-wrapper {
    width: 50px;
    height: 50px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(59, 130, 246, 0.1);
    border-radius: 50%;
    flex-shrink: 0;
    transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-item.active .faq-icon-wrapper {
    background: rgba(59, 130, 246, 0.2);
    transform: rotate(180deg);
}

.faq-icon {
    font-size: 1.5rem;
    color: #3b82f6;
    transition: transform 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: all 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    padding: 0 40px;
}

.faq-item.active .faq-answer {
    max-height: 600px;
    padding: 0 40px 35px 140px;
}

.faq-answer p {
    color: #d1d5db;
    line-height: 2;
    font-size: 1.15rem;
    position: relative;
    padding-left: 30px;
}

.faq-answer p::before {
    content: '';
    position: absolute;
    left: 0;
    top: 10px;
    width: 4px;
    height: calc(100% - 20px);
    background: linear-gradient(to bottom, #3b82f6, transparent);
    border-radius: 2px;
}

@media (max-width: 768px) {
    .features-grid {
        grid-template-columns: 1fr;
    }
    
    .faq-question {
        padding: 25px 20px;
        gap: 15px;
    }
    
    .faq-number-wrapper {
        width: 55px;
        height: 55px;
    }
    
    .faq-number {
        font-size: 1.4rem;
    }
    
    .faq-question-text {
        font-size: 1.1rem;
    }
    
    .faq-icon-wrapper {
        width: 40px;
        height: 40px;
    }
    
    .faq-icon {
        font-size: 1.2rem;
    }
    
    .faq-item.active .faq-answer {
        padding: 0 20px 25px 30px;
    }
    
    .faq-answer p {
        font-size: 1rem;
        padding-left: 20px;
    }
}